From bb2de9a333d17bb1b048ad208002501226b83f03 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Tue, 6 Jun 2017 08:07:28 +0200 Subject: dts: update to v4.12-rc1 Signed-off-by: Sascha Hauer --- dts/Bindings/mfd/wm831x.txt | 81 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 dts/Bindings/mfd/wm831x.txt (limited to 'dts/Bindings/mfd/wm831x.txt') diff --git a/dts/Bindings/mfd/wm831x.txt b/dts/Bindings/mfd/wm831x.txt new file mode 100644 index 0000000000..9f8b743067 --- /dev/null +++ b/dts/Bindings/mfd/wm831x.txt @@ -0,0 +1,81 @@ +Cirrus Logic/Wolfson Microelectronics wm831x PMICs + +System PMICs with a wide range of additional features. + +Required properties: + + - compatible : One of the following chip-specific strings: + "wlf,wm8310" + "wlf,wm8311" + "wlf,wm8312" + "wlf,wm8320" + "wlf,wm8321" + "wlf,wm8325" + "wlf,wm8326" + + - reg : I2C slave address when connected using I2C, chip select number + when using SPI. + + - gpio-controller : Indicates this device is a GPIO controller. + - #gpio-cells : Must be 2. The first cell is the pin number and the + second cell is used to specify optional parameters (currently unused). + + - interrupts : The interrupt line the IRQ signal for the device is + connected to. + - interrupt-parent : The parent interrupt controller. + + - interrupt-controller : wm831x devices contain interrupt controllers and + may provide interrupt services to other devices. + - #interrupt-cells: Must be 2. The first cell is the IRQ number, and the + second cell is the flags, encoded as the trigger masks from + ../interrupt-controller/interrupts.txt + +Optional sub-nodes: + - regulators : Contains sub-nodes for each of the regulators supplied by + the device. The regulators are bound using their names listed below: + + dcdc1 : DCDC1 + dcdc2 : DCDC2 + dcdc3 : DCDC3 + dcdc4 : DCDC3 + isink1 : ISINK1 + isink2 : ISINK2 + ldo1 : LDO1 + ldo2 : LDO2 + ldo3 : LDO3 + ldo4 : LDO4 + ldo5 : LDO5 + ldo7 : LDO7 + ldo11 : LDO11 + + The bindings details of each regulator can be found in: + ../regulator/regulator.txt + +Example: + +wm8310: pmic@36 { + compatible = "wlf,wm8310"; + reg = <0x36>; + + gpio-controller; + #gpio-cells = <2>; + + interrupts = <347>; + interrupt-parent = <&gic>; + + interrupt-controller; + #interrupt-cells = <2>; + + regulators { + dcdc1: dcdc1 { + regulator-name = "DCDC1"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <600000>; + }; + ldo1: ldo1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <1700000>; + regulator-max-microvolt = <1700000>; + }; + }; +}; -- cgit v1.2.3